一般来说，在描述飞机或它的系统时，应该使用第三人称措辞。

A.When described the aircraft and its system, you should always use third people talking.

B.Generally, in describing the airplane or its system, third person wording should be used.

C.When you describing the airplane systems, third person mood shall be used.

正确答案：B

When STE was created, one of the primary objectives was to make translation easier.

Turn the valve assembly slowly in a counterclockwise direction until there is gas leakage through the boss.

Basically, writers can use the approved words in the dictionary as a core vocabulary.

Make sure that there are safety barriers around the engine exhaust area.

If the filters become clogged after an unusually short time, send them to the laboratory for analysis of the contamination.

Put the mask on and breathe through it to make sure that the oxygen supply is correct.

If you cannot install the rigging pin easily, adjust the length of the rod.

Tighten the turnbuckle until you have the correct tension in the cable.

Do not operate the brakes to decrease the pressure in the accumulators.

The tension in the cables decreases if the temperature increases.